package system;

import book.BookList;

public class ExitOperation implements Operation{
    @Override
    public void work(BookList bookList) {
        System.out.println("退出系统");
        int currentSize = bookList.getUsedSize();
        for(int i = 0 ;i < currentSize ; i ++){
            bookList.setBook(i,null);
        }
        bookList.setUsedSize(0);
        System.exit(0);
    }
}
